stoichiometry

noun
stoi·​chi·​om·​e·​try | \ ˌstȯi-kē-ˈä-mə-trē How to pronounce stoichiometry (audio) \

Definition of stoichiometry

1 : a branch of chemistry that deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity
2a : the quantitative relationship between constituents in a chemical substance
b : the quantitative relationship between two or more substances especially in processes involving physical or chemical change

Examples of stoichiometry in a Sentence

Recent Examples on the Web The study relies on stoichiometry, which measures the elemental ratios that appear in the chemistry of cells and ecosystems. Natalie Elliot, Scientific American, 16 July 2021 If the regularity of chemical ratios within cells is a universal property of biological systems, here or anywhere else in the cosmos, then careful stoichiometry could be the key to eventually discovering life on an alien world. Natalie Elliot, Scientific American, 16 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stoichiometry.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of stoichiometry

1807, in the meaning defined at sense 1

History and Etymology for stoichiometry

Greek stoicheion element (from stoichos row) + English -metry; akin to Greek steichein to walk, go — more at stair

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Time Traveler for stoichiometry

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The first known use of stoichiometry was in 1807

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Dictionary Entries Near stoichiometry

stoichiometric

stoichiometry

stoicism

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Cite this Entry

“Stoichiometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stoichiometry. Accessed 23 Jan. 2022.

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More Definitions for stoichiometry

stoichiometry

noun
stoi·​chi·​om·​e·​try | \ ˌstȯi-kē-ˈäm-ə-trē How to pronounce stoichiometry (audio) \
plural stoichiometries

Medical Definition of stoichiometry

1 : a branch of chemistry that deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity
2a : the quantitative relationship between constituents in a chemical substance
b : the quantitative relationship between two or more substances especially in processes involving physical or chemical change

Other Words from stoichiometry

stoichiometric \ -​kē-​ə-​ˈme-​trik How to pronounce stoichiometry (audio) \ adjective

More from Merriam-Webster on stoichiometry

Britannica.com: Encyclopedia article about stoichiometry

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